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URL: https://oeis.org/A343428

⇱ A343428 - OEIS

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A343428
G.f.: 1 + 1!*x/(1 + 2!*x/(1 + 3!*x/(1 + 4!*x/(1 + 5!*x/(1 + ...))))).
4
1, 1, -2, 16, -416, 47104, -31623680, 151868796928, -5929687248674816, 2103645975156790263808, -7506342628191723555983065088, 295743482602620866090259230372134912, -140189608695401234244797733914829257462251520, 865523452956329002149153403380412177220307414830546944
OFFSET
0,3
LINKS
FORMULA
G.f.: 1/(Sum_{k>=0} A285380(k) * (-x)^k).
PROG
(PARI) a(n) = my(A=1+O(x)); for(i=1, n, A=1+(n-i+1)!*x/A); polcoef(A, n);
CROSSREFS
KEYWORD
sign
AUTHOR
Seiichi Manyama, Apr 15 2021
STATUS
approved